A 38-year-old man was charged on Tuesday with misdemeanor theft and accused of using another person’s credit card without permission, according to a magistrate’s complaint filed in the Superior Court of Guam.

Police spoke with the credit card owner who said on Aug. 12 he woke up and saw his truck light on, documents state. The man also couldn’t find his card that he keeps in his truck and later his grandson told him that Jason Jeremy Castro used his credit card at a gas station, documents state.

About $300 in purchases, withdrawals

The man estimated he lost about $300 by unauthorized purchases and cash withdrawals, and he said he didn’t give Castro permission to use his card, documents state.